private void button1_Click(object sender, EventArgs e) { //IL_000e: Unknown result type (might be due to invalid IL or missing references) //IL_0013: Unknown result type (might be due to invalid IL or missing references) //IL_0015: Unknown result type (might be due to invalid IL or missing references) //IL_001a: Unknown result type (might be due to invalid IL or missing references) //IL_001b: Unknown result type (might be due to invalid IL or missing references) //IL_0020: Unknown result type (might be due to invalid IL or missing references) //IL_0021: Unknown result type (might be due to invalid IL or missing references) //IL_0023: Unknown result type (might be due to invalid IL or missing references) //IL_002f: Unknown result type (might be due to invalid IL or missing references) //IL_0031: Unknown result type (might be due to invalid IL or missing references) //IL_008b: Unknown result type (might be due to invalid IL or missing references) //IL_0090: Unknown result type (might be due to invalid IL or missing references) //IL_0099: Unknown result type (might be due to invalid IL or missing references) //IL_00a7: Unknown result type (might be due to invalid IL or missing references) //IL_00aa: Unknown result type (might be due to invalid IL or missing references) //IL_010a: Unknown result type (might be due to invalid IL or missing references) //IL_010f: Unknown result type (might be due to invalid IL or missing references) //IL_0112: Unknown result type (might be due to invalid IL or missing references) //IL_0117: Unknown result type (might be due to invalid IL or missing references) //IL_0119: Unknown result type (might be due to invalid IL or missing references) //IL_011f: Unknown result type (might be due to invalid IL or missing references) foreach (ElementId allFilterableCategory in ParameterFilterUtilities.GetAllFilterableCategories()) { try { Category category = Category.GetCategory(this.doc, allFilterableCategory); if (category.get_AllowsVisibilityControl(this.view)) { category.set_Visible(this.view, false); } } catch { Console.WriteLine("Coś poszło nie tak"); } } foreach (object checkedItem in this.checkedListBox1.CheckedItems) { foreach (Category defaultCategory in this.defaultCategories) { if (checkedItem.ToString() == defaultCategory.get_Name()) { defaultCategory.set_Visible(this.view, true); } } } foreach (object checkedItem2 in this.checkedListBox2.CheckedItems) { BuiltInCategory val = EnumParseUtility <BuiltInCategory> .Parse(checkedItem2.ToString()); try { Category.GetCategory(this.doc, val).set_Visible(this.view, true); } catch { Console.WriteLine("Coś poszło nie tak"); } } }